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    To find the mean and variance of a random variable

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    I don't understand probabilities much. Could you please explain the attached question? Thank you.

    © BrainMass Inc. brainmass.com October 9, 2019, 9:01 pm ad1c9bdddf
    https://brainmass.com/physics/fluid-dynamics/find-mean-variance-random-variable-170280

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    This solution gives the condition for a function to be a density function and to find its mean and variance.

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